Casino game development Get HTML5 slots developed based on your sketches
Casino game development

The advantages of game development in Online Casino Market


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Exclusive game mechanics

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Our experts have collected the most popular games among players in each country to make your casino popular in the market.
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Online Casino Market in numbers

14 years in the market
15 + products
20 + services
80 + providers
5284 projects
4136 clients

Creation of Casino Slots: Exciting Plots and Advanced Mechanics

Online gambling platforms need to constantly update their content, adding interesting solutions with a recognisable design and effective engagement functions.

The development of unique products by Online Casino Market specialists is a great way to install attractive slots on your entertainment resource. The studio offers content with impeccable visualisation, interesting bonus features, and excellent technical characteristics.

Advantages of Creating Custom Video Games

Custom casino slots advantages

Let us consider why solutions of this type are extremely popular in the market:

  1. The growth of recognition. The addition of unique slot machines to the catalogue is a good newsbreak for the promotion of a casino brand. With its help, it is possible to make an entertainment site more in-demand and attract new solvent traffic to it. In a highly competitive market, you need to stand out, and authored content does this perfectly.
  2. Individual approach. Operators receive an exclusive licensed product created taking into account the interests and wishes of players. Such content cannot be found on other platforms. The audience will constantly return to the resource, place bets, and bring profit to an entrepreneur.
  3. Original settings. These include cutting-edge mechanics, exciting bonus features, effective retention tools, and social options. It is also possible to launch interesting promos or connect games to unique jackpots.
  4. Cost reduction. The creation of custom-made slots is often cheaper than their rental. Business owners do not spend money on products that will not resonate with customers and invest only in content that will be of interest to users.

Secrets of Development from Top Providers

The success of a casino solution depends on many factors. These are the maximum graphical fidelity, surround sound, and an interesting storyline. But the most important aspect is support for original features and advanced engagement tools.

Big Time Gaming

The Australian vendor is a leader in the production of slots with unique mechanics:

  1. Megaways. Products included in this category are equipped with 6 reels, as well as functions of dividing and combining cells into clusters. Such entertainment includes between 243 and 117,649 ways to win in every spin.
  2. Megapays. It is famous for a network of progressive jackpots. The system contains several levels of prize pools with different modifiers and solid payouts.
  3. Megaclusters. During rotations, the standard 4x4 grid expands to 8x8 or larger. Combinations of symbols are created in the form of clusters of different sizes and denominations.


Many slots from the Swedish company are equipped with the Achievement Engine function. It contains 4 levels of the game. After completing each of them, gamblers receive a personal bonus. Next, all rewards are summed up and exchanged for loyalty points. These can be either currency coins (with a denomination of €1) or free spins.

ELK Studios

The Maltese brand is known for its original developments, such as:

  1. X-iter. The supplier offers several game modes adapted to each slot machine: guaranteed bonuses in the main round, additional spins with multipliers, purchase of features, and much more.
  2. Betting Strategies. This is a set of strategies (for example, quick sessions or spins at the micros). At the beginning of each rotation of the reels, users choose the necessary settings so as not to be distracted by them.

Each company has its proprietary solutions that cannot be found in the catalogues of other studios. This approach makes the content authentic, allows operators to stand out among competitors, and helps them find the target audience.

Stages of Production of Original Slot Machines

Original slot machines: stages of production

The development of branded digital devices is a long and capacious process. Entrepreneurs cannot do without deep knowledge in the fields of programming, modelling, and software testing.

Creation of the Idea

It all starts with a good plan, which is expected to be able to attract customers and make the slot stand out among the offers of other firms. To do this, it is necessary to analyse the market, the preferences of gamblers, and popular mathematical models.

At this point, operators can form a strategy, which will include:

  1. Development of a central concept. Most often, this is the theme of the video game. It is a first step to the further production of the solution.
  2. Discussion of the slot’s functions. Experts discuss such nuances as the number of reels, pay lines, and bonus rounds, as well as the type of entertainment (linear or cluster) and other features.
  3. Introduction of technologies. This year, the most popular are games with cryptocurrency, VR, and AR elements. The 3D option is becoming a classic and a must-have tool in the range of top content vendors.

Market Research

Operators need to understand how well the concept they have come up with meets the specifics of the niche and the audience’s needs.

To conduct the analysis, the following tools can be used:

  • Questback;
  • Loop11;
  • Social Mention;
  • FreeLunch, and others.

The programs allow entrepreneurs to do the necessary research, track the latest trends in the GameDev field, and determine development costs.

Creation of a Prototype

This is the game’s layout, based on which specialists will write program code. At this stage, all the functions and features of the main characters are prescribed, the rules for launching bonus sessions are established, etc.

It is possible to perform this task using the following programs:

  • Framer;
  • Marvel;
  • InVision;
  • Unity.

Each of them has its unique functionality. Some solutions are suitable for beginning operators and others for entrepreneurs with web design skills. To better understand how the slot will ultimately look like, online casino owners can add animation, slide shows, music, and other elements.

Code Writing

The most popular option is HTML5. About 70% of all digital devices in the market are based on this programming language.

Its use makes the video slot cross-platform and adaptive to mobile gadgets. The ready-made product has minimal weight, which is why it can be instantly launched on iOS, Android, Windows, Linux, etc.

The undeniable advantage of HTML5 games is their flexibility. It is possible to integrate into a digital device such fragments as an advertising insert, survey, and many others. This increases audience engagement and improves communication with customers.

The format is often used together with JavaScript. Operators can create the server part of products, as well as register all the functions, models, and algorithms using Node JS or Vue JS. These are open-source platforms with a list of ready-made templates and a hint system.


QA engineering is an important stage of the slot’s creation.

Entrepreneurs need to evaluate whether the layout provided by them corresponds to the written code, make adjustments, and eliminate errors before the final presentation of the game.

It is also important to check:

  • the solution’s work with different types of settings;
  • functioning of the payment gateway, options for changing currency and denomination;
  • game performance during increased loads on the IT infrastructure of online casinos and when the quality of the Internet connection is low.

After successful QA engineering, the product is adjusted for the last time and launched. After this, marketers start implementing an advertising campaign: recording promotional videos, sending banners/instructions to B2B partners, and launching targeting on social networks.

Technical Nuances of Gambling Releases

Gambling releases: technical nuances

Key points that are worth paying attention to:

RTP Percentage

The metric shows the probability of the appearance of winning combinations on the panel. The lower it is, the higher profits entrepreneurs will receive.

Setting the indicator always involves a balanced approach:

  • Slots with an RTP below 75% leave users practically without chances of winning. Therefore, such options are unlikely to be popular with the audience.
  • Games where the metric is set at 90% guarantee a higher possibility of earning good money. At the same time, operators receive less income, which is not always advisable for beginning startups.

An excellent solution would be to install a floating RTP. By changing this parameter, business owners will be able to regulate the return rate and adjust the values ​​in accordance with seasonal demand or spikes in traffic (for example, on weekends or holidays).


This indicator determines the frequency with which users will win:

  • low dispersion means frequent but small prizes;
  • high volatility provides major rewards (most often, in local and progressive jackpots), which take place rarely;
  • the average amount represents a balanced approach between frequency sizes of wins.


The most popular mathematical models are:

  1. Linear slots. This is a classic example of a design in which successful combinations are created in the form of straight (horizontally, vertically, and diagonally) and broken lines. Their number can vary from the standard 10 or 15 to 243.
  2. Cluster devices. Such games are distinguished by increased winning potential, as well as support for innovative functions. These can be sliding reels, spinning in different directions, or the appearance of additional cells around the perimeter of the panel.

The Main Things about the Development of Exclusive Slots

The creation of content based on individual sketches is an opportunity to stand out among competitors and find the target audience.

Key features of the process:

  • The advantages of such an approach include increased recognition of the iGaming brand and reception of unique releases with original settings. Entertainment of this type allows operators to reduce the costs of producing, testing, and promoting solutions.
  • Slot machine development includes several stages: thinking over the concept, market research, creation of the prototype, coding, and testing.
  • It is important to determine the RTP indicator and volatility of the game. Entrepreneurs also need to select a mathematical model. The most popular options are cluster and linear products.

Digital slots based on individual sketches can be bought from the Online Casino Market studio.

The aggregator has vast experience in providing original content, ready-made solutions, and social gambling projects. Specialists bring every detail to perfection, use popular mechanics, and advanced audience engagement and retention functions.

From us, it is also possible to order the following useful services:

  • turnkey digital platform creation;
  • business plan writing;
  • assistance in obtaining a licence;
  • integration of payment services;
  • promotion of iGaming sites, and much more.

Do you have any questions?
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Karen Fill


Karen Fill

Gambling business expert at Online Casino Market


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Updated 16 may 2024
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